Hepatitis A, Acute

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2011 Case Definition

CSTE Position Statement Number: 10-ID-07

Clinical Case Definition

An acute illness with a) discrete onset of symptoms and b) jaundice, dark urine or elevated serum aminotransferase levels (ALT) >200 IU/L

Laboratory criteria for diagnosis:

Immunoglobulin M (IgM) antibody to hepatitis A virus (anti-HAV) positive

Case classification

or

a case that meets the clinical case definition and occurs in a person who has an epidemiologic link with a person who has laboratory-confirmed hepatitis A (i.e., household or sexual contact with an infected person during the 15-50 days before the onset of symptoms)

See also:

• 2000 Hepatitis A, Acute Case Definition  
• 1996 Hepatitis, Viral, Acute Case Definition 
• 1995 Hepatitis, Viral, Acute Case Definition 
• 1990 Hepatitis, Viral Case Definition

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This page last updated November 17, 2011

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